Flayed Wraith 2014
CR 5 undead
Medium undead, neutral evil
While in sunlight, the flayed wraith has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.
When the flayed wraith reduces a creature to 0 hp, it knocks out the creature, which falls unconscious and is stable.
Actions
The flayed wraith uses its Howl of Agony. It then makes two claw attacks.
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) slashing damage plus 5 (2d4) necrotic damage.
The wraith screams its pain into the mind of one creature it can see within 30 feet of it. The target must make a DC 14 Wisdom saving throw. On a failure, the target takes 10 (3d6) psychic damage and is incapacitated as it doubles over in pain. On a success, the target takes half the damage and isn't incapacitated.
Source: Tome of Beasts 2 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details